As above, is Liqui Moly FS oil a good substitute to known brands as Castrol and Mobil 1?
Liqui Moly 5w30: 38euros/5 liters
Castrol Edge: 53euros/5 liters
Mobil 1 ESP: 58euros/5 liters

All of the above are ll04 compatible.
Any one tried this oil?
Thanks!